TopStone 2




An amazingly capable, versatile gravel road bike. Built for chasing horizons, exploring routes less travelled or accelerating your commute.

  • Frame

    Lightweight SmartForm C2 Alloy, 12×142 thru-axle, tapered headtube, BSA threaded BBm flat mount disc, StraightShot internal cable routing, multiple gear/bottle mounts
  • Fork

    Topstone Carbon, 1-1/8″ to 1.5″ steerer, 55mm OutFront offset, flat mount disc, internal routing, 12×100 thru-axle, fender/gear mounts
  • Headset

    Integrated, 1-1/8″ – 1.5″


  • Rear Derailleur

    Shimano GRX 400, Shadow RD+
  • Front Derailleur

    Shimano GRX 400
  • Shifters

    Shimano GRX 400, 10-speed
  • Chain

    KMC X10, 10-speed
  • Crank

    FSA Omega AGX+ Alloy, 46/30
  • Rear Cogs

    Shimano HG500, 11-34, 10-speed
  • Bottom Bracket

    FSA Cartridge


  • Brakes

    Shimano GRX 400 hydraulic disc, 160/160mm RT54 rotors
  • Brake Levers

    Shimano GRX 400 hydraulic disc


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